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Alyssa Michelle Rumsey, DO

NPI 1902396757ActiveIndividual· Internal Medicine· Three Rivers, MI

Internal Medicine (DO) in Three Rivers, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 2018). Their prescriptions cost Medicare Part D more than their services did: $794,213 for 7,953 claims, against $4,815 paid for services in 2024. Novo Nordisk Inc was the largest of 3 companies reporting payments in 2025, $93.55 in all, mostly food and beverage.

Overview

NPI1902396757
StatusActive
Entity typeIndividual
CredentialDO
Sole proprietorNo
NPI issuedMay 17, 2018
Last updated in NPPESJul 1, 2025
Certified by providerJul 1, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X5101026055MI
Internal Medicine207R00000X02007019AIN

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Internal Medicine (IN); Practitioner - Internal Medicine (MI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients91
Services billed106 across 9 procedure codes
Paid by Medicare$4,815

Part D prescriptions in 2024

Prescriptions (claims)7,953 · 16,562 30-day fills
Patients599
Total drug cost$794,213
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolMichigan State University College of Osteopathic Medicine
Graduation year2018
Medicare specialtyInternal Medicine

Medical groups

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$93.55 · 4 payments from 3 companies
  • 2024$123.71 · 6 payments from 4 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$93.55 · 4 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Internal Medicine providers in Three Rivers

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